<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <el-row>
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList()">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="8">
                    <el-button type="primary" @click="addGoods">添加商品</el-button>
                </el-col>
            </el-row>
            <el-table style="width: 100%" :data="goodslist" stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" width="700" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" width="110" prop="goods_price"></el-table-column>
                <el-table-column label="商品重量" width="80" prop="goods_weight"></el-table-column>
                <el-table-column label="创建日期" width="160" prop="add_time">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="140">
                    <template slot-scope="scope">
                        <el-button type="danger" size="mini" icon="el-icon-edit"></el-button>
                        <el-button type="primary" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total"></el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data () {
        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            goodslist: [],
            total: 0
        }
    },
    created () {
        this.getGoodsList()
    },
    methods: {
        async getGoodsList () {
            const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
            if (res.meta.status !== 200) return this.$message.error('商品列表获取失败！')
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange (newSize) {
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        handleCurrentChange (newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()
        },
        async removeById (id) {
            const confirmResult = await this.$confirm('是否删除商品？', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err)
            if (confirmResult !== 'confirm') return this.$message.error('取消了删除操作。')
            const { data: res } = await this.$http.delete(`goods/${id}`)
            if (res.meta.status !== 200) return this.$message.error('删除失败！')
            this.$message.success('删除成功！')
            this.getGoodsList()
        },
        addGoods () {
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped>
    .el-col {
        margin-left: 15px;
    }
</style>
